Interdental brush



FIG. 1 is a front view of an interdental brush showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof; and

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a front perspective view thereof.

The bristles are partially shown in some of the views for ease ofillustration.

The ornamental design for an interdental brush, as shown and described.